Rachel Allan 40457 stretch tulle, beading, mirrors, stone beading prom dresses are offered in Emerald Lime, Lilac, Navy Silver, Red Pink, Royal Light Blue, White Light Blue. $498 is the Formal Approach best price guarantee for style 40457 by Rachel Allan. Shop with confidence, Formal Approach is an authorized Rachel Allan prom dress store. Rachel Allan 40457 is offered in the following sizes: 00, 0, 2, 4, 6, 8, 10, 12.